Answer:
Substitution
Step-by-step explanation:
tbh i havent checked so sorry if its wrong
12 bro it even says to follow the order of operations. If there is only addition and subtraction you just go from left to right. Same with if there is only multiplication and division.
Answer:
y+2x=35
so how to get that answer if you divided 35/2= 17.5 so 17 *2= 34 +y= 35
y =1
round it down one number so y can equal 1 then you get 35